Important EPSS 0.07797 2019-07 archive

Executive Summary

A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET web application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET application. The update addresses the vulnerability by correcting how the .NET web application handles web requests.

Overview

Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Denial of Service
Released Jul 9 2019
Last Updated Jul 9 2019
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.07797 — 0.93898 percentile

EPSS Score

0.07797
probability of exploitation in the next 30 days
0.93898 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

91 affected products
Product KB Article Severity Impact Restart Required
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems 4506991 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems 4506991 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation) 4506991 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems 4507458 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems 4507458 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems 4507460 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems 4507460 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems 4507450 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems 4507450 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems 4507455 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems 4507455 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems 4507435 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems 4507435 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2016 4507460 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation) 4507460 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation) 4507435 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems 4507458 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems 4507458 (Security Update) Important Denial of Service Yes
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems 4506986 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems 4506986 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems 4506987 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems 4506986 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems 4506988 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems 4506986 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems 4506989 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems 4506989 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2016 4506986 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) 4506986 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation) 4506989 (Security Update) Important Denial of Service Maybe

Patches

16 patches
Article Type Restart
4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 Monthly Rollup Maybe
4507419 (Security Update) 4507419 Security Update Maybe
4506991 Security Update Maybe
4507458 Security Update Yes
4507460 Security Update Yes
4507450 Security Update Yes
4507455 Security Update Yes
4507435 Security Update Yes
4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 Monthly Rollup Maybe
4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 Monthly Rollup Maybe
4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 Monthly Rollup Maybe
4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 Monthly Rollup Maybe
4506986 Security Update Maybe
4506987 Security Update Maybe
4506988 Security Update Maybe
4506989 Security Update Maybe

Known Exploits

Acknowledgments

@olekmirosh ) and Alvaro Munoz (@pwntester) from Micro Focus Fortify